==========
Usage same as \yii\db\Migration
| Name | Description |
|---|---|
| tableName | Return real table name from Yii2 table name template |
| tableExists | Check if there is a table in the database |
| tinyint | Create TINYINT field |
| enum | Create ENUM field |
| after | Create AFTER MySQL syntax |
| comment | Create COMMENT MySQL syntax |
| blob | Create BLOB column |
| text | Create TEXT column |